Blockchains for supply chain - Lecture 4.21


00:00 Introduction
02:01 Solving the Byzantine consensus
09:35 Hard requirements of a free blockchain
20:31 The story so far
22:44 Getting rich quick today
24:03 Mini Bitcoin 1/3 - Hashing and Signing
29:23 Mini Bitcoin 2/3 - Transactions
34:44 Mini Bitcoin 3/3 - Blocks and Proof of Work
44:47 Scaling the blockchain 1/2 - Applicative landscape
49:07 Scaling the blockchain 2/2 - Bigger blocks
57:11 Speeding the blockchain 1/2
59:30 Speeding the blockchain 2/2
01:06:54 Empowering the blockchain
01:14:51 Use case: payments
01:19:25 Use case: passive traceability
01:25:33 Use case: active traceability
01:32:47 Use case: incentivized recycling
01:35:40 Use case: incentivized security
01:41:30 Softening the requirements
01:44:53 Conclusion
01:49:35 4.21 Blockchains for supply chain - Questions?

Description

Cryptocurrencies have attracted a lot of attention. Fortunes were made. Fortunes were lost. Pyramid schemes were rampant. From a corporate perspective, the “blockchain” is the polite euphemism used to introduce similar ideas and technologies while establishing a distanciation with those cryptocurrencies. Supply chain use cases exist for the blockchain but challenges abound as well.